How to replace a brake light switch

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Your switch brake light is a relay that notifies you when the brake lights come on when you press the brake pedal. If these lights do not work and you know you checked the bulbs and they are not melted or broken, usually it is the switch brake light which is the fault. Fortunately, change the switch stop lamp is a work easy and inexpensive, so you can save time and money by changing yourself instead of going to a workshop.


  1. Open the driver’s door of the car and peek inside to see and reach the bottom board where the pedals connect.
  2. Remove the 2 or 4 Phillips head screws that are behind the brake pedal and holding the electrical cover in place. The number of screws will depend on the make and model of your car. If Phillips cannot be bolts screws 10 mm, but this is not common.
  3. Remove the cover. Inside you will find the switch brake light is, in general, bound with two bolts. Remove with an Allen wrench and remove the switch of light, unhooking the connector that provides power.
  4. Plug the electrical connector into the new switch stop lamp. Place the switch in place and replace the two bolts that hold it, you took the above.
  5. Replace the electrical cover and screws. Start the car and press the pedal. If the lights come on, your problem is solved. If not, then the switch brake light was not the problem and you have to have a mechanic diagnose.
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